Microsoft upgraded their EOP anti-spoofing capabilities inside Office 365, which is good, but they didn’t tell anyone. The first users knew was when they started to receive messages stamped with “the sender failed our fraud detection checks” – something that is never assuring. This only applies to ATP customers, but it’s not the first time Microsoft has failed to communicate important news.

Exchange Online has two new PowerShell cmdlets to help administrators recover deleted email on behalf of users. You can now search for deleted items and recover found items without having to sign into a user’s mailbox, something that will be popular with both administrators and users alike. The joy of helping users find email they deleted and can’t find themselves…

Owners of Office 365 Groups can delete groups if they want. Some don’t like this as it means that SharePoint site collections, teams, and plans are removed. The simple membership model used by Office 365 Groups is the cause, and while you cannot stop owners deleting their groups, you can take action to detect and recover deleted groups if necessary.